Great Northern Blueprint Number 1244-6-1, map of Great Falls & Northern Railway Piegan to Conrad, 1891. Other subject categories: Filing Map

Great Northern Blueprint Number G-35, map of From East Boundry of Piegan, Blood and Blackfoot Reservation East 20 Miles, 1891. Other subject categories: Right of Way and Track Map

Great Northern Blueprint Number G-35-1, map of Saint Paul, Minneapolis & Manitoba Railway through the Piegan, Blood and Blackfoot Reservations, 1891. Other subject categories: Filing Map

Great Northern Blueprint Number B-42-3, map of From Pigan, Blood and Blackfoot Reservation through Seville, Carlow, Blackfoot, Durham to Midvale, 1890. Other subject categories: Right of Way and Track Map

Great Northern Blueprint Number G-36-1, map of From East Boundry of Piegan, Blood and Blackfoot Reservation East 5 Miles, 1891. Other subject categories: Right of Way and Track Map